Expandable collet body



FIG. 1 is a perspective view of an expandable collet body of a single sided fastening system showing my new design;

FIG. 2 is a front elevation view thereof, to which the rear elevation view is a mirror image;

FIG. 3 is a side elevation view thereof, to which the opposing side elevation view is a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the expandable collet body that form no part of the claimed design. 

CLAIM The ornamental design for an expandable collet body, as shown and described. 